Rogger, Hans
Russian in the age of modernisation and revolution 1881-1917
Longman, 1992
Buku Teks SO
Vernadsky, George
Mongols and Russia
Yele University Press, 1953
Buku Teks SO
Dukes, Paul
The Making of russian absolutism 1613-1801
Longman, 1990
Buku Teks SO
Vernadsky, George
The origins of Russia
At The Clarendon Press, 1959
Buku Teks SO
Crummey, Robert O.
The Formation of Muscovy 1304 - 1613
Longman, 1993
Buku Teks SO